[FIX] web_tip : remove unused code that can trigger error
[FIX] web_tip : remove unused code that can trigger error

hip-odoo/odoo,storm-computers/odoo,microcom/odoo,hip-odoo/odoo,Elico-Corp/odoo_OCB,ygol/odoo,ygol/odoo,hip-odoo/odoo,Elico-Corp/odoo_OCB,microcom/odoo,storm-computers/odoo,dfang/odoo,dfang/odoo,ygol/odoo,Elico-Corp/odoo_OCB,Elico-Corp/odoo_OCB,laslabs/odoo,dfang/odoo,dfang/odoo,bplancher/odoo,storm-computers/odoo,laslabs/odoo,bplancher/odoo,bplancher/odoo,hip-odoo/odoo,Elico-Corp/odoo_OCB,laslabs/odoo,laslabs/odoo,bplancher/odoo,bplancher/odoo,laslabs/odoo,storm-computers/odoo,hip-odoo/odoo,microcom/odoo,ygol/odoo,storm-computers/odoo,dfang/odoo,bplancher/odoo,microcom/odoo,ygol/odoo,ygol/odoo,hip-odoo/odoo,microcom/odoo,storm-computers/odoo,microcom/odoo,Elico-Corp/odoo_OCB,dfang/odoo,laslabs/odoo,ygol/odoo